When high levels of kryptopyrrole circulate in the body, it binds with Vitamin B6 and zinc causing them to be depleted faster and preventing their use in the brain and body. A high incidence of this is demonstrated in autism spectrum disorders, AD(H)D, bi-polar disorder, schizophrenia, alcoholism and down syndrome.
Urine: 10 mL of urine collected and poured into an amber vial with ascorbic acid preservative. This test is available in the US only.
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